Home / 156,296.47-215,677.21-95,034.15

Finding the Fourth Proportional to 156,296.47, 215,677.21 and 95,034.15

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Solution

The fourth proportional to 156,296.47, 215,677.21 and 95,034.15 is: 131,139.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,296.47 : 215,677.21 = 95,034.15 : x
  2. Step 2: Convert to fraction form
    156,296.47/215,677.21 = 95,034.15/x
  3. Step 3: Cross multiply
    156,296.47x = 215,677.21 × 95,034.15
  4. Step 4: Simplify right side
    156,296.47x = 20,496,700,267.33
  5. Step 5: Solve for x
    x = 20,496,700,267.33/156,296.47
  6. Step 6: Final answer
    x = 131,139.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.